Quote Originally Posted by Brainles View Post
In simplest terms, there isn't any one piece that is overloaded there are a few. What they monitor is as they increase the load, how the different server process (yes there is more than one per game shard) are handling the load. From there they identify a potential fix or some sort to increase performance, balance load etc, but continue to increase gradually monitoring the different processes, especially as players progress through the lower content to higher.

Sadly, it is a slow process as getting information takes time, since you can't just go 'Ah! That's the problem!' and usually takes large usage and debugging to find out specifically where it all goes boom.
Funny, i thought that's what the beta was for